standard at citibank. >>> welcome back. president obama pushing for an increase in the minimum wage to $9 an hour. but business is debating the unintended consequences of such a move. this week i caught up with starbucks ceo and founder howard schultz to talk about that, farming, and how high-tech is driving his business. >> some big news in the day was taking our loyalty program and our mobile payment business, which is very strong in our retail stores and leveraging it into the grocery store. so a customer buying a pound of coffee or a bottle of frappuccino at their local grocery store will get a reward and incentive to bounce back into the u.s. retail stores. >> you have been leveraging technology for a little while. how is that partnership with square going, howard? >> really well. you know, we made a $25 million investment in square because of the seismic change in technology, and specifically, smartphones. we are now the leading retailer in consumer brand in the world in terms of mobile payment transactions, over $3 m